Main.cc: In function ‘int main()’: Main.cc:6:14: error: expected ‘;’ before ‘}’ token double(32.7) ^ ; Main.cc:8:2: } ~ Main.cc:6:2: warning: statement has no effect [-Wunused-value] double(32.7) ^~~~~~~~~~~~ Main.cc: At global scope: Main.cc:9:1: error: expected declaration before ‘}’ token } ^